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Income Taxes - Components in Net Deferred Income Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Net operating loss | $ 40,922 | $ 30,705
Unrealized loss on digital assets | 2,015 | 0
Tax credits | 1,416 | 1,193
Reserves and accruals | 732 | 3,739
Leases - lease liability | 376 | 0
Amortization of acquired intangibles | 232 | 0
Other deferred tax assets | 1,748 | 0
Gross deferred tax assets | 47,441 | 35,637
Less valuation allowance | (46,163) | (35,100)
Total deferred tax assets | 1,278 | 537
Deferred tax liabilities: |  |
Amortization of acquired intangibles | 0 | (537)
Leases - right of use asset | (306) | 0
Other deferred tax liabilities | (972) | 0
Total deferred tax liabilities | (1,278) | (537)
Net deferred tax liabilities | $ 0 | $ 0

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